Abstract: A heating pump includes a pump housing with an inlet, an outlet, a heater, an impeller, and a motor for driving the impeller. The impeller is received in the pump housing. The heater includes connecting heads and a main body for generating heat. The main body is bent into an arc. The pump housing includes a cylindrical sidewall extending in an axial direction of the motor and a top plate sealed to an axial opening of the sidewall. The top plate is made of metal. The heater extends through and is fixed to the top plate. The connecting heads extend to an exterior of the pump housing. The main body is located in an interior of the pump housing and in contact with the top plate.

Abstract: A dishwasher includes a cabinet defining a washing chamber, a door for closing an opening of the washing chamber and a fan for exhausting moist air from the washing chamber. The fan is arranged between an outer wall and an inner wall of the door, in fluid communication with the washing chamber via at least one vent hole formed in the inner wall, and includes a housing with an inlet and an outlet, an impeller in the housing and an electric motor for driving the impeller. The fan is arranged such that an axial direction of the motor is perpendicular to the inner wall. A flange is formed at an edge of the inlet to restrict water from entering the housing.